Wu Zhengyi (editor’s note) believes that species 1–29 should be transferred to the genus Isotrema.

Aristolochia macrocarpa C. Y. Wu & S. K. Wu ex D. D. Tao, Fl. Xizang. 1: 585. 1983 was missed in FOC vol. 5. Although it is a latter homonym, the name has been picked up and used in other regional floras, so future research will need to determine its placement.

About 400 species: widely distributed in tropical, subtropical, and temperate regions of the Old World, also in Australia; 45 species (33 endemic) in China.